#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
uint32_t value1=0;
value1|=(value&0xFF)<<24;
value1|=(value&0xFF00)<<8;
value1|=(value&0xFF0000)>>8;
value1|=(value&0xFF000000)>>24;
return value1;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}